A notebook of personal thoughts, perspective, and opinion by Jafran Hasan.https://jaf.run/en-ushttps://jaf.run/en/articles/two-claude-code-accounts-one-machine/https://jaf.run/en/articles/two-claude-code-accounts-one-machine/I paid USD 100 a month for Claude Max and never managed to use it up. Two Pro accounts at USD 40 turned out to be the better deal: one environment variable, two shell aliases, zero logouts. Works on macOS, Linux, and Windows.Thu, 11 Jun 2026 00:00:00 GMTclaude-codecliworkflowtoolingmail@jaf.run (Jafran Hasan)https://jaf.run/en/articles/rajshahi-ultimate-travel-guide/https://jaf.run/en/articles/rajshahi-ultimate-travel-guide/ঢাকা থেকে রাজশাহী, কখন আসবেন, কোথায় উঠবেন, পদ্মার ধারে কী খাবেন, পুঠিয়া-বাঘা থেকে কী দেখবেন, রেশম-আম-গুড় কোথায় কিনবেন, আর হাতের কাছে কোন নম্বরগুলো রাখবেন। এক বসায় পড়লেই রাজশাহী চিনে যাবেন।Thu, 14 May 2026 00:00:00 GMTtravelrajshahibangladeshfoodguideshoppinghistorymail@jaf.run (Jafran Hasan)https://jaf.run/en/articles/shakespeare-http-error-codes/https://jaf.run/en/articles/shakespeare-http-error-codes/AI is dangerous. I asked ChatGPT to rewrite every HTTP status code in Shakespearean English. Here is the cast list, from 100 Continue to 503 Service Unavailable.Thu, 14 May 2026 00:00:00 GMThttphumoraiwritingmail@jaf.run (Jafran Hasan)https://jaf.run/en/articles/the-flawed-gregorian-calendar/https://jaf.run/en/articles/the-flawed-gregorian-calendar/The calendar you use every day is wrong. Not a little wrong, really wrong. Why the Gregorian calendar drifts from reality, and the thousand-year-old Persian calendar that got it right.Thu, 14 May 2026 00:00:00 GMTsciencehistorycalendarastronomymail@jaf.run (Jafran Hasan)